Seven persons R, S, T, U, V, W and X has an exam on a

  …………………………….horizon is visible in virgin soils and absent in arable soils.

PAR falls in the range of wavelength of 

The process of  removal of male and female flowers in early stage of plantation in Oil Palm is called …………………….

Tristeza is the viral disease of citrus which is particularly transmitted by which of the following:

1.       What is the tagline of Soil Health card?

The mineral source of plant nutrient Boron whose deficiency leads to pollen sterility is 

Which mineral is important for the translocation of sugar in sugarcane? 

Wart disease of potato is caused by _____

The bright yellow colour of the labels the insecticide container indicates that product is:

Panama wilt in banana is caused  by